3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'a'; if (!preg_match('/^[a-z0-9].*[a-z0-9]$/i', $string)) { print 'FAIL'; } else { print 'OK'; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0090.00616.63
8.3.50.0220.00522.11
8.3.40.0140.00718.63
8.3.30.0120.00318.79
8.3.20.0050.00320.16
8.3.10.0040.00423.52
8.3.00.0080.00019.80
8.2.180.0130.00616.63
8.2.170.0030.01022.96
8.2.160.0130.00720.39
8.2.150.0090.00924.18
8.2.140.0070.00024.66
8.2.130.0110.00326.16
8.2.120.0050.00319.48
8.2.110.0050.00522.06
8.2.100.0110.00020.39
8.2.90.0000.00919.17
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0030.00817.87
8.2.50.0040.00718.07
8.2.40.0060.00618.22
8.2.30.0040.00418.17
8.2.20.0000.00817.83
8.2.10.0040.00418.14
8.2.00.0040.00417.70
8.1.280.0070.00725.92
8.1.270.0090.00023.82
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00722.02
8.1.230.0060.00618.98
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0080.00017.48
8.1.180.0030.00518.10
8.1.170.0050.00318.65
8.1.160.0040.00422.03
8.1.150.0000.00718.77
8.1.140.0000.00717.52
8.1.130.0030.00317.76
8.1.120.0030.00317.57
8.1.110.0000.00717.50
8.1.100.0040.00417.59
8.1.90.0040.00417.50
8.1.80.0000.00817.55
8.1.70.0030.00317.55
8.1.60.0000.00717.77
8.1.50.0050.00317.58
8.1.40.0080.00017.57
8.1.30.0080.00017.64
8.1.20.0000.00817.76
8.1.10.0000.00817.54
8.1.00.0060.00317.51
8.0.300.0020.00518.77
8.0.290.0000.00816.75
8.0.280.0030.00318.48
8.0.270.0080.00016.82
8.0.260.0000.00617.27
8.0.250.0000.00717.06
8.0.240.0030.00616.99
8.0.230.0060.00317.06
8.0.220.0040.00417.04
8.0.210.0070.00016.91
8.0.200.0000.00717.02
8.0.190.0070.00017.10
8.0.180.0000.00717.09
8.0.170.0000.00817.11
8.0.160.0000.00717.02
8.0.150.0070.00016.96
8.0.140.0080.00016.97
8.0.130.0000.00613.50
8.0.120.0030.00516.99
8.0.110.0000.00817.01
8.0.100.0020.00516.88
8.0.90.0000.00716.90
8.0.80.0060.01017.06
8.0.70.0040.00417.00
8.0.60.0050.00317.07
8.0.50.0080.00016.89
8.0.30.0140.00517.33
8.0.20.0140.00917.40
8.0.10.0040.00417.16
8.0.00.0090.00917.00
7.4.330.0060.00015.22
7.4.320.0030.00616.73
7.4.300.0030.00616.71
7.4.290.0000.00816.69
7.4.280.0110.00016.84
7.4.270.0070.00016.81
7.4.260.0070.00016.73
7.4.250.0040.00416.63
7.4.240.0050.00216.65
7.4.230.0040.00316.56
7.4.220.0110.00616.68
7.4.210.0000.01416.66
7.4.200.0070.00016.56
7.4.160.0120.00316.59
7.4.150.0100.01317.40
7.4.140.0070.01017.86
7.4.130.0050.01116.70
7.4.120.0090.00916.63
7.4.110.0100.00716.72
7.4.100.0140.00316.74
7.4.90.0060.01216.82
7.4.80.0080.00819.39
7.4.70.0130.00316.79
7.4.60.0030.01316.58
7.4.50.0060.00316.58
7.4.40.0060.01516.63
7.4.30.0110.01216.66
7.4.00.0000.01015.21
7.3.330.0060.00013.16
7.3.320.0030.00313.18
7.3.310.0030.00316.37
7.3.300.0070.00016.28
7.3.290.0030.01216.32
7.3.280.0090.00916.29
7.3.270.0130.00617.40
7.3.260.0090.00916.35
7.3.250.0070.01016.25
7.3.240.0120.00616.72
7.3.230.0140.00316.39
7.3.210.0000.01616.73
7.3.200.0100.00619.39
7.3.190.0080.00816.58
7.3.180.0140.00316.38
7.3.170.0040.01216.50
7.3.160.0070.01416.47
7.3.120.0000.01215.11
7.2.330.0090.00916.72
7.2.320.0070.01016.83
7.2.310.0150.00316.62
7.2.300.0040.01316.67
7.2.290.0120.00416.70
7.2.00.0000.01519.41
7.1.200.0060.00615.99
7.1.100.0060.00918.21
7.1.70.0030.00717.20
7.1.60.0140.01019.70
7.1.50.0090.01617.04
7.1.00.0070.07022.59
7.0.200.0090.00616.48
7.0.140.0070.07022.09
7.0.110.0100.07021.70
7.0.100.0070.07721.72
7.0.90.0100.07021.66
7.0.80.0030.08021.72
7.0.70.0100.07321.79
7.0.60.0100.07721.62
7.0.50.0030.08322.16
7.0.40.0070.05020.20
7.0.30.0030.08319.98
7.0.20.0070.08019.91
7.0.10.0000.08720.20
7.0.00.0000.08720.17
5.6.280.0070.07020.78
5.6.260.0030.08320.55
5.6.250.0000.08020.54
5.6.240.0030.07720.51
5.6.230.0130.07020.64
5.6.220.0100.06720.48
5.6.210.0070.07020.65
5.6.200.0000.09020.89
5.6.190.0000.09021.09
5.6.180.0130.04321.08
5.6.170.0030.07720.89
5.6.160.0070.08021.16
5.6.150.0070.08021.02
5.6.140.0070.08321.08
5.6.130.0000.07321.06
5.6.120.0100.08021.09
5.6.110.0000.09021.05
5.6.100.0030.08320.87
5.6.90.0130.06320.97
5.6.80.0170.07020.46
5.6.70.0100.04020.43
5.6.60.0070.03320.32
5.6.50.0030.03720.47
5.6.40.0000.04320.45
5.6.30.0030.04020.25
5.6.20.0070.05320.24
5.6.10.0030.03320.44
5.6.00.0030.03720.42
5.5.380.0030.06020.48
5.5.370.0030.06320.46
5.5.360.0070.08320.39
5.5.350.0130.07320.35
5.5.340.0070.07720.88
5.5.330.0070.08020.84
5.5.320.0030.08320.89
5.5.310.0030.08320.64
5.5.300.0070.08020.81
5.5.290.0030.08320.64
5.5.280.0000.08020.89
5.5.270.0070.07720.67
5.5.260.0030.08720.63
5.5.250.0070.07320.57
5.5.240.0000.07320.20
5.5.230.0030.06020.29
5.5.220.0130.04020.06
5.5.210.0000.04320.11
5.5.200.0000.04720.28
5.5.190.0000.03720.24
5.5.180.0100.04020.09
5.5.160.0000.04020.13
5.5.150.0030.03720.23
5.5.140.0100.07020.10
5.5.130.0030.07020.03
5.5.120.0000.04320.30
5.5.110.0030.07720.03
5.5.100.0030.03720.05
5.5.90.0030.05320.09
5.5.80.0030.03320.17
5.5.70.0000.06020.04
5.5.60.0030.04019.88
5.5.50.0000.05320.18
5.5.40.0070.03320.17
5.5.30.0030.05720.00
5.5.20.0030.04019.92
5.5.10.0000.04320.14
5.5.00.0000.04319.99
5.4.450.0070.07319.28
5.4.440.0100.08019.31
5.4.430.0100.07319.25
5.4.420.0030.08019.25
5.4.410.0030.05019.29
5.4.400.0030.07019.25
5.4.390.0030.07318.95
5.4.380.0100.04018.95
5.4.370.0000.03719.12
5.4.360.0000.04719.12
5.4.350.0070.03319.03
5.4.340.0030.03719.10
5.4.320.0000.04019.04
5.4.310.0000.04019.12
5.4.300.0000.03719.09
5.4.290.0070.06018.95
5.4.280.0000.08018.95
5.4.270.0100.06719.03
5.4.260.0000.04319.17
5.4.250.0070.06319.02
5.4.240.0000.03719.17
5.4.230.0000.06319.02
5.4.220.0000.06318.99
5.4.210.0000.06019.02
5.4.200.0030.03719.02
5.4.190.0070.03319.26
5.4.180.0030.03719.11
5.4.170.0000.05019.09
5.4.160.0030.03319.25
5.4.150.0000.03719.00
5.4.140.0030.03316.39
5.4.130.0030.04016.38
5.4.120.0000.03716.41
5.4.110.0000.03716.40
5.4.100.0000.03316.28
5.4.90.0070.03016.50
5.4.80.0070.03016.49
5.4.70.0000.03716.17
5.4.60.0030.05316.26
5.4.50.0070.03016.43
5.4.40.0000.04016.40
5.4.30.0000.03316.33
5.4.20.0000.03316.16
5.4.10.0000.03716.25
5.4.00.0000.03315.86
5.3.290.0000.07714.74
5.3.280.0070.03014.53
5.3.270.0000.04014.55
5.3.260.0030.03314.68
5.3.250.0030.05014.61
5.3.240.0000.03714.70
5.3.230.0030.03314.49
5.3.220.0030.03714.64
5.3.210.0000.03714.42
5.3.200.0000.03714.63
5.3.190.0070.03014.48
5.3.180.0030.03714.50
5.3.170.0030.04314.38
5.3.160.0070.03014.40
5.3.150.0070.05314.64
5.3.140.0030.03314.45
5.3.130.0000.03714.46
5.3.120.0000.03714.46
5.3.110.0000.03714.54
5.3.100.0000.04714.05
5.3.90.0000.04013.91
5.3.80.0000.03713.87
5.3.70.0070.03014.03
5.3.60.0000.03713.86
5.3.50.0000.06313.95
5.3.40.0000.03713.78
5.3.30.0000.07313.96
5.3.20.0000.07313.62
5.3.10.0070.06313.44
5.3.00.0000.07713.56
5.2.170.0000.06013.43
5.2.160.0030.04013.43
5.2.150.0000.06713.43
5.2.140.0070.06013.43
5.2.130.0030.05713.43
5.2.120.0030.06313.43
5.2.110.0030.06013.43
5.2.100.0000.05713.43
5.2.90.0030.05313.43
5.2.80.0000.06013.43
5.2.70.0030.06013.43
5.2.60.0030.06313.43
5.2.50.0100.05313.43
5.2.40.0000.06013.43
5.2.30.0030.05713.43
5.2.20.0030.03013.43
5.2.10.0070.05713.43
5.2.00.0030.06313.43
5.1.60.0030.04313.43
5.1.50.0000.05313.43
5.1.40.0000.05313.43
5.1.30.0070.05013.43
5.1.20.0000.04713.43
5.1.10.0030.05013.43
5.1.00.0000.05713.43
5.0.50.0030.04013.43
5.0.40.0030.02013.43
5.0.30.0030.05313.43
5.0.20.0070.04013.43
5.0.10.0000.03313.43
5.0.00.0070.06313.43
4.4.90.0030.03013.43
4.4.80.0000.02013.43
4.4.70.0070.03013.43
4.4.60.0000.03713.43
4.4.50.0070.02713.43
4.4.40.0030.05013.43
4.4.30.0070.02013.43
4.4.20.0030.03313.43
4.4.10.0030.02013.43
4.4.00.0030.04013.43
4.3.110.0000.03313.43
4.3.100.0030.03013.43
4.3.90.0000.03313.43
4.3.80.0030.05313.43
4.3.70.0000.03313.43
4.3.60.0000.03713.43
4.3.50.0030.03313.43
4.3.40.0000.04313.43
4.3.30.0030.02013.43
4.3.20.0000.03713.43
4.3.10.0000.03713.43
4.3.00.0000.03713.43

preferences:
37.31 ms | 401 KiB | 5 Q